[ 
https://issues.apache.org/jira/browse/YARN-2821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14552597#comment-14552597
 ] 

Hudson commented on YARN-2821:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2149 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2149/])
YARN-2821. Fixed a problem that DistributedShell AM may hang if restarted. 
Contributed by Varun Vasudev (jianhe: rev 
7438966586f1896ab3e8b067d47a4af28a894106)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/pom.xml
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSAppMaster.java


> Distributed shell app master becomes unresponsive sometimes
> -----------------------------------------------------------
>
>                 Key: YARN-2821
>                 URL: https://issues.apache.org/jira/browse/YARN-2821
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: applications/distributed-shell
>    Affects Versions: 2.5.1
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>             Fix For: 2.8.0
>
>         Attachments: YARN-2821.002.patch, YARN-2821.003.patch, 
> YARN-2821.004.patch, YARN-2821.005.patch, apache-yarn-2821.0.patch, 
> apache-yarn-2821.1.patch
>
>
> We've noticed that once in a while the distributed shell app master becomes 
> unresponsive and is eventually killed by the RM. snippet of the logs -
> {noformat}
> 14/11/04 18:21:37 INFO distributedshell.ApplicationMaster: 
> appattempt_1415123350094_0017_000001 received 0 previous attempts' running 
> containers on AM registration.
> 14/11/04 18:21:37 INFO distributedshell.ApplicationMaster: Requested 
> container ask: Capability[<memory:10, vCores:1>]Priority[0]
> 14/11/04 18:21:37 INFO distributedshell.ApplicationMaster: Requested 
> container ask: Capability[<memory:10, vCores:1>]Priority[0]
> 14/11/04 18:21:37 INFO distributedshell.ApplicationMaster: Requested 
> container ask: Capability[<memory:10, vCores:1>]Priority[0]
> 14/11/04 18:21:37 INFO distributedshell.ApplicationMaster: Requested 
> container ask: Capability[<memory:10, vCores:1>]Priority[0]
> 14/11/04 18:21:37 INFO distributedshell.ApplicationMaster: Requested 
> container ask: Capability[<memory:10, vCores:1>]Priority[0]
> 14/11/04 18:21:38 INFO impl.AMRMClientImpl: Received new token for : 
> onprem-tez2:45454
> 14/11/04 18:21:38 INFO distributedshell.ApplicationMaster: Got response from 
> RM for container ask, allocatedCnt=1
> 14/11/04 18:21:38 INFO distributedshell.ApplicationMaster: Launching shell 
> command on a new container., 
> containerId=container_1415123350094_0017_01_000002, 
> containerNode=onprem-tez2:45454, containerNodeURI=onprem-tez2:50060, 
> containerResourceMemory1024, containerResourceVirtualCores1
> 14/11/04 18:21:38 INFO distributedshell.ApplicationMaster: Setting up 
> container launch container for 
> containerid=container_1415123350094_0017_01_000002
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> START_CONTAINER for Container container_1415123350094_0017_01_000002
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez2:45454
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> QUERY_CONTAINER for Container container_1415123350094_0017_01_000002
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez2:45454
> 14/11/04 18:21:39 INFO impl.AMRMClientImpl: Received new token for : 
> onprem-tez3:45454
> 14/11/04 18:21:39 INFO impl.AMRMClientImpl: Received new token for : 
> onprem-tez4:45454
> 14/11/04 18:21:39 INFO distributedshell.ApplicationMaster: Got response from 
> RM for container ask, allocatedCnt=3
> 14/11/04 18:21:39 INFO distributedshell.ApplicationMaster: Launching shell 
> command on a new container., 
> containerId=container_1415123350094_0017_01_000003, 
> containerNode=onprem-tez2:45454, containerNodeURI=onprem-tez2:50060, 
> containerResourceMemory1024, containerResourceVirtualCores1
> 14/11/04 18:21:39 INFO distributedshell.ApplicationMaster: Launching shell 
> command on a new container., 
> containerId=container_1415123350094_0017_01_000004, 
> containerNode=onprem-tez3:45454, containerNodeURI=onprem-tez3:50060, 
> containerResourceMemory1024, containerResourceVirtualCores1
> 14/11/04 18:21:39 INFO distributedshell.ApplicationMaster: Launching shell 
> command on a new container., 
> containerId=container_1415123350094_0017_01_000005, 
> containerNode=onprem-tez4:45454, containerNodeURI=onprem-tez4:50060, 
> containerResourceMemory1024, containerResourceVirtualCores1
> 14/11/04 18:21:39 INFO distributedshell.ApplicationMaster: Setting up 
> container launch container for 
> containerid=container_1415123350094_0017_01_000003
> 14/11/04 18:21:39 INFO distributedshell.ApplicationMaster: Setting up 
> container launch container for 
> containerid=container_1415123350094_0017_01_000005
> 14/11/04 18:21:39 INFO distributedshell.ApplicationMaster: Setting up 
> container launch container for 
> containerid=container_1415123350094_0017_01_000004
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> START_CONTAINER for Container container_1415123350094_0017_01_000005
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> START_CONTAINER for Container container_1415123350094_0017_01_000003
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez4:45454
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez2:45454
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> START_CONTAINER for Container container_1415123350094_0017_01_000004
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez3:45454
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> QUERY_CONTAINER for Container container_1415123350094_0017_01_000005
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez4:45454
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> QUERY_CONTAINER for Container container_1415123350094_0017_01_000003
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez2:45454
> 14/11/04 18:21:39 INFO impl.NMClientAsyncImpl: Processing Event EventType: 
> QUERY_CONTAINER for Container container_1415123350094_0017_01_000004
> 14/11/04 18:21:39 INFO impl.ContainerManagementProtocolProxy: Opening proxy : 
> onprem-tez3:45454
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: Got response from 
> RM for container ask, completedCnt=1
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: 
> appattempt_1415123350094_0017_000001 got container status for 
> containerID=container_1415123350094_0017_01_000002, state=COMPLETE, 
> exitStatus=0, diagnostics=
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: Container 
> completed successfully., containerId=container_1415123350094_0017_01_000002
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: Got response from 
> RM for container ask, allocatedCnt=2
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: Launching shell 
> command on a new container., 
> containerId=container_1415123350094_0017_01_000006, 
> containerNode=onprem-tez2:45454, containerNodeURI=onprem-tez2:50060, 
> containerResourceMemory1024, containerResourceVirtualCores1
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: Launching shell 
> command on a new container., 
> containerId=container_1415123350094_0017_01_000007, 
> containerNode=onprem-tez3:45454, containerNodeURI=onprem-tez3:50060, 
> containerResourceMemory1024, containerResourceVirtualCores1
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: Setting up 
> container launch container for 
> containerid=container_1415123350094_0017_01_000007
> 14/11/04 18:21:40 INFO distributedshell.ApplicationMaster: Setting up 
> container launch container for 
> containerid=container_1415123350094_0017_01_000006
> {noformat}



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